93 results about "Bacterial artificial chromosome" patented technology
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A bacterial artificial chromosome (BAC) is a DNA construct, based on a functional fertility plasmid (or F-plasmid), used for transforming and cloning in bacteria, usually E. coli. F-plasmids play a crucial role because they contain partition genes that promote the even distribution of plasmids after bacterial cell division. The bacterial artificial chromosome's usual insert size is 150–350 kbp. A similar cloning vector called a PAC has also been produced from the DNA of P1 bacteriophage.
Fungal artificial chromosome (FAC) vectors are disclosed. A vector can be replicated in a bacterial or a fungal host, and can comprise an insert of heterologousDNA up to about 500 kilobases. A vector can be used for cloning and expressing a secondary metabolite (SM) gene cluster. An insert sequence can be modified by homologous recombination. A vector can be a plasmid comprising bacterial and fungal origins of replication, as well as bacterial and fungal selection marker genes. Also disclosed are vectors that can be integrated into a fungal genome, and dual function vectors which can be replicated in a bacterial or a fungal host and can also be integrated into a fungal genome. Also disclosed are methods of generating plasmid libraries including vectors comprising intact SM gene clusters.